def display(self): key = self.index[self.cursor] # show record at index cursor self.keytext.set(key) # change key in main box record = self.table[key] # in dict, dbm, shelf, class if self.sameKeys(record): self.currform.title('PyForm - Key=' + repr(key)) for (field, text) in self.currslots: text.set(repr(record[field])) # same fields? reuse form else: # repr(x) works like 2.X `x` if self.currform: self.currform.destroy() # different fields? new = Toplevel() # replace current box new.title('PyForm - Key=' + repr(key)) # new resizable window new.iconname('pform') left = frame(new, LEFT) right = frame(new, RIGHT) self.currslots = [] # list of (field, entry) for field in record.keys(): label(left, TOP, repr(field)) # key,value to strings text = StringVar() # we could sort keys here text.set(repr(record[field])) entry(right, TOP, text, width=40) self.currslots.append((field, text)) self.currform = new new.protocol('WM_DELETE_WINDOW', lambda: 0) # ignore destroy's self.selectlist() # update listbox
def onMakeList(self): if self.listbox: return # already up? new = Toplevel() # new resizable window new.title('PyForm - Key Index') # select keys from a listbox new.iconname('pindex') frm = frame(new, TOP) scroll = Scrollbar(frm) list = Listbox(frm, bg='white') scroll.config(command=list.yview, relief=SUNKEN) list.config(yscrollcommand=scroll.set, relief=SUNKEN) scroll.pack(side=RIGHT, fill=BOTH) list.pack(side=LEFT, expand=YES, fill=BOTH) # pack last, clip first for key in self.index: # add to list-box list.insert(END, key) # or: sort list first list.config(selectmode=SINGLE, setgrid=1) # select,resize modes list.bind('<Double-1>', self.onList) # on double-clicks self.listbox = list if self.index and self.cursor >= 0: # highlight position self.selectlist() new.protocol('WM_DELETE_WINDOW', lambda: 0) # ignore destroy's
class SimpleDialog: def __init__(self, master, text='', buttons=[], default=None, cancel=None, title=None, class_=None): if class_: self.root = Toplevel(master, class_=class_) else: self.root = Toplevel(master) if title: self.root.title(title) self.root.iconname(title) self.message = Message(self.root, text=text, aspect=400) self.message.pack(expand=1, fill=BOTH) self.frame = Frame(self.root) self.frame.pack() self.num = default self.cancel = cancel self.default = default self.root.bind('<Return>', self.return_event) self.root.bind('<Escape>', self.wm_delete_window) for num in range(len(buttons)): s = buttons[num] f = Frame(self.frame) b = ttk.Button(f, text=s, command=(lambda self=self, num=num: self.done(num))) b.pack(side=LEFT, fill=BOTH) f.pack(side=TOP, fill=BOTH) self.root.protocol('WM_DELETE_WINDOW', self.wm_delete_window) self._set_transient(master) def _set_transient(self, master, relx=0.5, rely=0.3): widget = self.root widget.withdraw() # Remain invisible while we figure out the geometry widget.transient(master) widget.update_idletasks() # Actualize geometry information if master.winfo_ismapped(): m_width = master.winfo_width() m_height = master.winfo_height() m_x = master.winfo_rootx() m_y = master.winfo_rooty() else: m_width = master.winfo_screenwidth() m_height = master.winfo_screenheight() m_x = m_y = 0 w_width = widget.winfo_reqwidth() w_height = widget.winfo_reqheight() x = m_x + (m_width - w_width) * relx y = m_y + (m_height - w_height) * rely if x + w_width > master.winfo_screenwidth(): x = master.winfo_screenwidth() - w_width elif x < 0: x = 0 if y + w_height > master.winfo_screenheight(): y = master.winfo_screenheight() - w_height elif y < 0: y = 0 widget.geometry("+%d+%d" % (x, y)) widget.deiconify() # Become visible at the desired location def go(self): self.root.wait_visibility() self.root.grab_set() self.root.mainloop() self.root.destroy() return self.num def return_event(self, event): if self.default is None: self.root.bell() else: self.done(self.default) def wm_delete_window(self, event=None): if self.cancel is None: self.root.bell() else: self.done(self.cancel) def done(self, num): self.num = num self.root.quit()
class FileDialog: """Standard file selection dialog -- no checks on selected file. Usage: d = FileDialog(master) fname = d.go(dir_or_file, pattern, default, key) if fname is None: ...canceled... else: ...open file... All arguments to go() are optional. The 'key' argument specifies a key in the global dictionary 'dialogstates', which keeps track of the values for the directory and pattern arguments, overriding the values passed in (it does not keep track of the default argument!). If no key is specified, the dialog keeps no memory of previous state. Note that memory is kept even when the dialog is canceled. (All this emulates the behavior of the Macintosh file selection dialogs.) """ title = "File Selection Dialog" def __init__(self, master, title=None): if title is None: title = self.title self.master = master self.directory = None self.top = Toplevel(master) self.top.title(title) self.top.iconname(title) _setup_dialog(self.top) self.botframe = Frame(self.top) self.botframe.pack(side=BOTTOM, fill=X) self.selection = Entry(self.top) self.selection.pack(side=BOTTOM, fill=X) self.selection.bind('<Return>', self.ok_event) self.filter = Entry(self.top) self.filter.pack(side=TOP, fill=X) self.filter.bind('<Return>', self.filter_command) self.midframe = Frame(self.top) self.midframe.pack(expand=YES, fill=BOTH) self.filesbar = Scrollbar(self.midframe) self.filesbar.pack(side=RIGHT, fill=Y) self.files = Listbox(self.midframe, exportselection=0, yscrollcommand=(self.filesbar, 'set')) self.files.pack(side=RIGHT, expand=YES, fill=BOTH) btags = self.files.bindtags() self.files.bindtags(btags[1:] + btags[:1]) self.files.bind('<ButtonRelease-1>', self.files_select_event) self.files.bind('<Double-ButtonRelease-1>', self.files_double_event) self.filesbar.config(command=(self.files, 'yview')) self.dirsbar = Scrollbar(self.midframe) self.dirsbar.pack(side=LEFT, fill=Y) self.dirs = Listbox(self.midframe, exportselection=0, yscrollcommand=(self.dirsbar, 'set')) self.dirs.pack(side=LEFT, expand=YES, fill=BOTH) self.dirsbar.config(command=(self.dirs, 'yview')) btags = self.dirs.bindtags() self.dirs.bindtags(btags[1:] + btags[:1]) self.dirs.bind('<ButtonRelease-1>', self.dirs_select_event) self.dirs.bind('<Double-ButtonRelease-1>', self.dirs_double_event) self.ok_button = Button(self.botframe, text="OK", command=self.ok_command) self.ok_button.pack(side=LEFT) self.filter_button = Button(self.botframe, text="Filter", command=self.filter_command) self.filter_button.pack(side=LEFT, expand=YES) self.cancel_button = Button(self.botframe, text="Cancel", command=self.cancel_command) self.cancel_button.pack(side=RIGHT) self.top.protocol('WM_DELETE_WINDOW', self.cancel_command) # XXX Are the following okay for a general audience? self.top.bind('<Alt-w>', self.cancel_command) self.top.bind('<Alt-W>', self.cancel_command) def go(self, dir_or_file=os.curdir, pattern="*", default="", key=None): if key and key in dialogstates: self.directory, pattern = dialogstates[key] else: dir_or_file = os.path.expanduser(dir_or_file) if os.path.isdir(dir_or_file): self.directory = dir_or_file else: self.directory, default = os.path.split(dir_or_file) self.set_filter(self.directory, pattern) self.set_selection(default) self.filter_command() self.selection.focus_set() self.top.wait_visibility() # window needs to be visible for the grab self.top.grab_set() self.how = None self.master.mainloop() # Exited by self.quit(how) if key: directory, pattern = self.get_filter() if self.how: directory = os.path.dirname(self.how) dialogstates[key] = directory, pattern self.top.destroy() return self.how def quit(self, how=None): self.how = how self.master.quit() # Exit mainloop() def dirs_double_event(self, event): self.filter_command() def dirs_select_event(self, event): dir, pat = self.get_filter() subdir = self.dirs.get('active') dir = os.path.normpath(os.path.join(self.directory, subdir)) self.set_filter(dir, pat) def files_double_event(self, event): self.ok_command() def files_select_event(self, event): file = self.files.get('active') self.set_selection(file) def ok_event(self, event): self.ok_command() def ok_command(self): self.quit(self.get_selection()) def filter_command(self, event=None): dir, pat = self.get_filter() try: names = os.listdir(dir) except OSError: self.master.bell() return self.directory = dir self.set_filter(dir, pat) names.sort() subdirs = [os.pardir] matchingfiles = [] for name in names: fullname = os.path.join(dir, name) if os.path.isdir(fullname): subdirs.append(name) elif fnmatch.fnmatch(name, pat): matchingfiles.append(name) self.dirs.delete(0, END) for name in subdirs: self.dirs.insert(END, name) self.files.delete(0, END) for name in matchingfiles: self.files.insert(END, name) head, tail = os.path.split(self.get_selection()) if tail == os.curdir: tail = '' self.set_selection(tail) def get_filter(self): filter = self.filter.get() filter = os.path.expanduser(filter) if filter[-1:] == os.sep or os.path.isdir(filter): filter = os.path.join(filter, "*") return os.path.split(filter) def get_selection(self): file = self.selection.get() file = os.path.expanduser(file) return file def cancel_command(self, event=None): self.quit() def set_filter(self, dir, pat): if not os.path.isabs(dir): try: pwd = os.getcwd() except OSError: pwd = None if pwd: dir = os.path.join(pwd, dir) dir = os.path.normpath(dir) self.filter.delete(0, END) self.filter.insert(END, os.path.join(dir or os.curdir, pat or "*")) def set_selection(self, file): self.selection.delete(0, END) self.selection.insert(END, os.path.join(self.directory, file))